Knob



FIG. 1 is a perspective view of a knob showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a back elevational view thereof; and,

FIG. 7 is a top view thereof.

The broken line showing of the circular element and the inset linesrunning adjacent to the outer edge in FIG. 5 is included for the purposeof illustrating a portion of the knob and forms no part of the claimeddesign.

The ornamental design for a knob, as shown and described.